package com.stu.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.stu.entity.Class;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface ClassMapper extends BaseMapper<Class> {

    @Select("select cno,tno,mno from class")
    public Integer[] getInt();

}
